golang issue34329 代码
文件路径：/test/fixedbugs/issue34329.go
/ errorcheck -lang=go1.13
/ Copyright 2019 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
package p
type I interface { M() }
type _ interface {
I
I / ERROR "duplicate method M"
}